Vise rod mounting a fixed jaw and an adjustably fulcrumed pivotable jaw



Feb. 18, 1958 A. c. POTHIER 2,823,567

ROD MOUNTIN VISE G A FIXED JAW AND AN ADJUSTABLY FULCRUMED PIVOTABLE JAWFiled May 17, 1955 United States Patent VISE ROD MOUNTING A FIXED JAWAND AN ADJUSTABLY FULCRUMED PIVOTABLE JAW Arthur C. Pothier, Westbrook,Maine Application May 17, 1955, Serial No. 508,901

1 Claim. (Cl. 8123) This invention relates to vises and particularly tovises whose jaws are adapted to grip work that cannot be securely heldby jaws whose work-engaging portions are parallel.

While vises in accordance with the invention are adapted for generaluse, they are particularly well suited for supporting a television orradio chassis or that of a record player where it is essential toprovide an adequate grip without objectionably marring or otherwisedamaging the gripped structure.

The general objective of the invention is to provide a vise ensuringthat such work may be properly held. This objective is attained byproviding at least one of the jaws with at least one and preferably twowork-engaging members adjustable relative thereto and to each other toenable work to be gripped that could not be securely held by parallelwork-engaging surfaces.

One of the jaws is fixed while the other one is preferably pivoted toswing between engaged and disengaged positions relative to the otherjaw. An operating member is threaded through one jaw for engagement withthe other thus to furnish means for pivotally effecting their clampingrelationship and the operating member is preferably carried by thepivoted jaw and so formed and disposed that its weight is effective tourge it towards its disengaged position.

In the accompanying drawings, there is shown an illustrative embodimentof the invention from which these and other of its objectives, novelfeatures, and advantages will be readily apparent. In the drawings:

Fig. 1 is a view of a vise in accordance with the invention as seen fromits upper end,

Figs. 2 and 3 are, respectively, side and end views thereof,

Fig. 4 is a fragmentary vertical cross section through the pivot portionof a pivotable jaw,

Fig. 5 is a fragmentary horizontal cross section through both jawsillustrating their relationship with a clamped workpiece, and

Fig. 6 is a fragmentary side elevation of the jaws illustrating theirdisengaged relationship.

At 10, there is indicated a bench shown as having a socket 11dimensioned to receive an extremity 12 of a support 13 provided with abench-engaging flange 14. Slidably supported by the support 13 is amount 15 adapted to be locked thereto as by the setscrew 16 and having asleeve portion 17 slidably receiving a spindle 18 but provided with aspindle-locking setscrew 19.

A fixed jaw 20 is located at one end of the spindle 18. A second jaw 21has a vertically elongated aperture 22 dimensioned to freely receive thespindle 18 and to enable the jaw 21 to tilt forwardly and rearwardly toa predetermined extent. A bore 23 transversely intersects the aperture22 and has an enlarged, threaded portion 24 to receive a threaded hub 25of a pivot 26. The spindle 18 has a plurality of axially spacedtransverse bores 27 each dimensioned to receive the pivot 26 thus toenable the jaw 21 to be pivotally mounted in any one of severalpositions relative to the jaw 20.

Threaded through the lower part of the jaw 21 is a member 28 engageablewith the proximate face of the jaw 20. The member 28 is dimensioned anddisposed so that its weight is operative to urge the jaw 21 to swinginto disengaged relationship to the jaw 20. When the member 28 isthreaded to advance it relative to the jaw 29, it is operative to swingthe upper part of the jaw 21 towards the jaw 20.

While a vise in accordance with the invention is adapted to handle anytype of work, it is particularly well suited for holding the chassis ofa television or radio set or that of a record player. Such a chassis issuggested at 29 and it will be readily appreciated that with work ofthat or like nature, it is of real advantage to have the vise jawsnormally spaced apart.

Such work is also illustrative of another problem and that is thedifficulty of gripping work where the gripping zones of the oppositefaces of the work are not parallel thus making it difficult to securelyhold the work, at least without the risk of marring it. In accordancewith the invention, one of the vise jaws, preferably the jaw 21, isprovided with transversely spaced bores (usually two) extending betweenits front and rear faces and threaded to receive screw elements 30 whichestablish readily replaceable teeth that may be quickly and easilyadjusted to effect an accurate and secure support of the work.

From the foregoing, it will be appreciated that a vise in accordancewith the invention is well adapted to meet a wide range ofwork-supporting conditions.

What I therefore claim and desire to secure by Letters Patent is:

In a vise, a jaw-supporting rod of substantially uniform cross section,a pair of workpiece gripping jaws mounted on said rod, one of the jawsbeing rigidly fixed to the rod and the other jaw being provided with anopening substantially larger than the cross-sectional area of the rod,said other jaw being movable along the support to various positions andpivotable to said support at a selected one of a plurality of positionsso as to pivot between engaged and disengaged positions relative to thefixed jaw, said jaw-supporting rod having a plurality of axially spacedbores which define said plurality of positions, said pivotable jawhaving a threaded bore transversely intersecting the opening therein,and a pivot pin having an enlarged threaded portion fitting the threadedbore and a reduced portion fitting the selected one of the axiallyspaced bores, and a threaded jaw-actuating member extending through thepivotable jaw and engageable with the fixed jaw to move the jaws intogripping relation.

References Cited in the file of this patent UNITED STATES PATENTS604,526 Fowler May 24, 1898 623,381 Theadore Sept. 5, 1899 1,382,793Lewis June 28, 1921 1,604,870 Asman Oct. 26, 1926 1,611,738 GuilfordDec. 21, 1926 1,818,501 Odin Aug. 11, 1931 1,832,968 De Armey Nov. 24,1931 1,855,143 Williams Apr. 19, 1932 2,211,287 Neubig et al. Aug. 13,1940 FOREIGN PATENTS 112,295 Sweden Oct. 31, 1944

